TPCA8045-H(T2L1,VM) Equivalent & Substitute Parts

Part Overview

The TPCA8045-H(T2L1,VM) is an N-Channel MOSFET rated for 40V drain-to-source voltage with 46A continuous drain current in a surface mount 8-SOP Advance (5x5) package. This device is classified as obsolete product status. Identification of equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for new production runs and legacy system support.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	40	V
Continuous Drain Current (Id) @ 25°C	46	A (Ta)
Rds On (Max) @ Id, Vgs	3.6	mOhm @ 23A, 10V
Gate Threshold Voltage (Vgs(th)) (Max)	2.3	V @ 1mA
Gate Charge (Qg) (Max)	90	nC @ 10V
Maximum Gate Voltage (Vgs)	±20	V
Input Capacitance (Ciss) (Max)	7540	pF @ 10V
Power Dissipation (Max)	1.6 (Ta), 45 (Tc)	W
Operating Temperature (TJ)	150	°C
Package Type	8-PowerVDFN	Surface Mount
RoHS Status	RoHS Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution of the TPCA8045-H(T2L1,VM) is determined by the following critical parameters:

Electrical Compatibility Requirements:

Drain-to-Source Voltage (Vdss): Must equal or exceed 40V
Package Type: Must be 8-PowerVDFN surface mount configuration
FET Type: N-Channel MOSFET technology
Gate Voltage Rating (Vgs): Must support ±20V maximum
Mounting Type: Surface mount 8-SOP Advance (5x5)

Performance Considerations:

Continuous Drain Current (Id): Substitute must meet or exceed 46A rating
On-Resistance (Rds On): Substitute performance at equivalent gate drive conditions
Gate Charge (Qg): Lower values indicate improved switching characteristics
Input Capacitance (Ciss): Affects gate drive requirements

The TPH3R704PL,L1Q qualifies as a substitute based on matching electrical voltage ratings, identical package configuration, and superior current handling capability while maintaining compatible gate drive specifications.

Parameter Comparison

Parameter	TPCA8045-H(T2L1,VM)	TPH3R704PL,L1Q	Unit
Drain to Source Voltage (Vdss)	40	40	V
Continuous Drain Current (Id) @ 25°C	46 (Ta)	92 (Tc)	A
Rds On (Max) @ Vgs 10V	3.6 @ 23A	3.7 @ 46A	mOhm
Gate Threshold Voltage (Vgs(th)) (Max)	2.3 @ 1mA	2.4 @ 200µA	V
Gate Charge (Qg) (Max) @ 10V	90	27	nC
Maximum Gate Voltage (Vgs)	±20	±20	V
Input Capacitance (Ciss) (Max)	7540 @ 10V	2500 @ 20V	pF
Power Dissipation (Max)	1.6 (Ta), 45 (Tc)	0.96 (Ta), 81 (Tc)	W
Operating Temperature (TJ)	150	175	°C
Package Type	8-PowerVDFN	8-PowerVDFN	-
Mounting Type	Surface Mount	Surface Mount	-
RoHS Status	RoHS Compliant	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	-

Engineering Selection Recommendations

TPCA8045-H(T2L1,VM) Status: Obsolete product. Component availability is limited to existing inventory. New designs should transition to active alternatives.

TPH3R704PL,L1Q Selection Basis:

The TPH3R704PL,L1Q is an active product from Toshiba Semiconductor and Storage with ROHS3 compliance certification. This substitute meets all critical electrical parameters required for direct replacement:

Voltage rating (40V Vdss) matches the original specification
Current capability (92A) exceeds the original 46A requirement, providing design margin
On-resistance performance (3.7 mOhm @ 46A, 10V) is equivalent to the original device
Gate drive compatibility is maintained with identical ±20V Vgs maximum rating
Package configuration (8-PowerVDFN, 8-SOP Advance 5x5) is identical
Moisture sensitivity level (MSL 1) matches the original specification
Operating temperature range (175°C) exceeds the original 150°C rating

The substitute device demonstrates improved performance characteristics including reduced gate charge (27 nC vs. 90 nC) and lower input capacitance (2500 pF vs. 7540 pF), resulting in faster switching response and reduced gate drive power requirements.

Frequently Asked Questions (FAQ)

Q: Can the TPH3R704PL,L1Q be used as a direct replacement for the TPCA8045-H(T2L1,VM)?

A: Yes. Both devices share identical voltage ratings (40V Vdss), matching package configuration (8-PowerVDFN), and compatible gate drive specifications (±20V Vgs). The substitute provides equal or superior electrical performance across all critical parameters.

Q: What are the key differences between these two MOSFETs?

A: The TPH3R704PL,L1Q provides higher continuous drain current (92A vs. 46A), lower gate charge (27 nC vs. 90 nC), reduced input capacitance (2500 pF vs. 7540 pF), and extended operating temperature range (175°C vs. 150°C). These represent performance improvements rather than incompatibilities.

Q: Are there any package or mounting considerations for substitution?

A: Both devices use identical 8-PowerVDFN surface mount packages in 8-SOP Advance (5x5) configuration. No PCB layout modifications or requalification of assembly processes are required.

Q: What is the significance of the gate charge difference?

A: Lower gate charge (27 nC) in the substitute device reduces the energy required to switch the transistor on and off. This results in lower gate drive power consumption and potentially faster switching transitions, depending on the gate driver circuit design.

Q: Does the substitute device require different gate drive voltage levels?

A: No. Both devices operate with identical gate threshold voltage specifications (approximately 2.3-2.4V) and maximum gate voltage ratings (±20V). Existing gate driver circuits require no modification.

Q: What is the impact of reduced input capacitance in the substitute?

A: Lower input capacitance (2500 pF vs. 7540 pF) reduces the capacitive load on the gate driver circuit, enabling faster switching speeds and reducing gate drive power dissipation. This is a beneficial characteristic for high-frequency switching applications.

Q: Are there compliance or certification differences?

A: The original device carries RoHS Compliant certification. The substitute carries ROHS3 Compliant certification, which represents an updated and more stringent environmental compliance standard. Both devices meet MSL 1 (Unlimited) moisture sensitivity requirements.

Q: Is the substitute device available in the same packaging format (Tape & Reel)?

A: The TPH3R704PL,L1Q is supplied in Tape & Reel (TR) packaging, which is standard for high-volume production environments and automated assembly processes.

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